... , strong anti-interference, operate in the most demanding environmental conditions : dust, smoke, electromagnetic interference, strong corrosion etc. Widely used in chemical ... Resolution: stroke 0.03%4.Parameter set: 3 touch buttons5. Sensor material:ABS /PVC6. Output signal: 4~20mA 2-wire,Provide ... level:3m,5m,7m,10m,15m Universal Ultrasonic level meter\sensor